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A072887
The s-inners or non-s-aints, numbers generated like the Aronson series from the letters, specifically the s, in a generating sentence, "S ain't the second, third, fourth, fifth . . . letter of this sentence.".
4
1, 9, 31, 36, 98, 107, 156, 164, 210, 221, 266, 312, 358, 365, 407, 417, 461, 468, 510, 520, 548, 556, 564, 566, 571, 577, 587, 598, 608, 613, 618, 623, 630, 641, 651, 661, 671, 673, 680, 686, 698, 711, 723, 730, 735, 742, 749, 762, 792, 800, 846, 857, 905
OFFSET
1,2
COMMENTS
The discovery of the s-inners was inspired by the mention of the Aronson series in Douglas R. Hofstadter's Metamathematical Themas.
LINKS
FORMULA
In blocks of 10 letters: saintthese condthirdf ourthfifth sixthseven theighthte nthelevent htwelfthth irteenthfo urteenthfi fteenthsix teenthseve nteentheig hteenthnin ...
EXAMPLE
a(1)= 1 because the first letter in the generating sentence that is s is the first one, a.
CROSSREFS
Cf. A005224.
Complement of A072886.
Sequence in context: A294404 A298587 A054310 * A329651 A133739 A266397
KEYWORD
nonn,word
AUTHOR
Michael Joseph Halm, Jul 29 2002
EXTENSIONS
a(15) onward corrected by Sean A. Irvine, Nov 02 2024
STATUS
approved